(19)
(11) EP 1 564 762 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.03.2006 Bulletin 2006/12

(43) Date of publication A2:
17.08.2005 Bulletin 2005/33

(21) Application number: 05100872.0

(22) Date of filing: 09.02.2005
(51) International Patent Classification (IPC): 
H01F 37/00(2006.01)
 H01F 27/10(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 13.02.2004 FI 20040230

(71) Applicant: ABB Oy
00380 Helsinki (FI)

(72) Inventors:
  • Helosvuori, Juhani
    01620, Vantaa (FI)
  • Talja, Markku
    04400, Järvenpää (FI)

(74) Representative: Savolainen, Seppo Kalevi 
Oy Kolster Ab, Iso Roobertinkatu 23, P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) Liquid-cooled choke


(57) The invention relates to a liquid-cooled choke comprising a choke core (1), a choke coil (2) and a path (3) for a cooling liquid to cool the choke. The choke core (1) is divided into at least two parts (1a, 1b) arranged in a cooling profile (4) to which the path (3) for the cooling liquid is arranged and which at the same time provides the choke with a frame and an assembly jig.







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